@charset "utf-8";
.video_head{ background:#fff; overflow:hidden; line-height:2.2rem;-ms-touch-action: none; height:2.2rem; z-index: 999;;width: 100%; position:relative }
.video_head .arrow{ display:inline-block; float:left; width:1.75rem; text-align:center; z-index:30;position:absolute; top:0; left:0}
.video_head .arrow i{ position:relative; top:0.2rem}
.video_head .menu{overflow:hidden; height:2.2rem; width:100%; position:relative; left:.4rem}
.video_head .menu .menu_con{ position:absolute;overflow: hidden;top:0 ;left: 0;height:2.25rem; white-space: nowrap; z-index:20}
.video_head .menu em{ display:inline-block; margin-right:1.0rem; height:1.5rem }
.video_head .menu em.cur a{  color:#008083; display:block; height:2rem;line-height:2rem;border-bottom:2px solid #008083}
.video_head .menu em a{ color:#666; font-size:0.75rem;}

